
AP CSP Unit 7 Review
Authored by Hannah Chu
Computers
11th Grade
Used 72+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What will be printed to the console after this program runs?
var numbers = [2, 5, 3, 1, 6]
function changeNums(numList, addNum, subtractNum){
for(var i=0; i<numList.length; i++){
if(numList[i] % 3 == 0){
numList[i] = numList[i] + addNum;
} else {
numList[i] = numList[i] - subtractNum;
}
}
}
changeNums(numbers, 3, 2);
console.log(numbers);
[2, 5, 3, 1, 6]
[0, 3, 6, -1, 9]
[-1, 2, 6, -2, 8]
[5, 2, 6, 3, 9]
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
This function checks if a number is prime. If it contains another factor besides 1 and itself, it returns false. Otherwise, it returns true.
Where should return true; be written in the code?
OPTION A
OPTION B
OPTION C
OPTION D
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which call of the function correctly follows the instructions laid out in the API?
moveElement("button1", 2, 23);
moveElement("button1", "left", "thirty");
moveElement("button1", 30, "two");
moveElement("button1", "down", 25);
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Parameters are different than arguments
True
False
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What will print to the console after running this code segment?
15
16
21
18
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following procedures would be most useful as part of a program to determine whether a word appears in two different text files?
A procedure getWords, which takes a positive integer n and a text file as input and returns the first n words in the text file.
A procedure textMatch, which takes two text files as input and returns true if the two text files are identical.
A procedure isFound, which takes a word and a text file as input and returns true if the word appears in the text file
A procedure sameSize, which takes two text files as input and returns true if the two text files contain the same number of words.
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A computer science student completes a program and asks a classmate for feedback. The classmate suggests rewriting some of the code to include more procedural abstraction.
Which of the following is NOT a benefit of procedural abstraction?
Making the code run faster
Making the code more readable
Providing more opportunities for code reuse
Reducing the amount of duplicated code
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